Wheelchair frame



FIG. 1 is a top perspective view showing my new design with associated wheelchair components shown in broken lines forming no part of the design;

FIG. 2 is a top perspective view of my new design;

FIG. 3 is a side elevation view of one side thereof with the opposite side being a mirror image thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a wheelchair frame, as shown and described. 